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K Stuhlmeier et al.
Clinical and experimental immunology, 84(2), 317-323 (1991-05-01)
Coumarin as well as its derivatives 7-OH coumarin and 4-OH coumarin were found to stimulate interleukin-1 beta (IL-1 beta) release from freshly isolated human mononuclear cells (MNC) if the culture medium contained fetal calf serum. Under serum-free conditions, almost no
Jennifer C Condon et al.
Proceedings of the National Academy of Sciences of the United States of America, 101(14), 4978-4983 (2004-03-27)
Parturition is timed to begin only after the developing embryo is sufficiently mature to survive outside the womb. It has been postulated that the signal for the initiation of parturition arises from the fetus although the nature and source of
N Gironès et al.
The Journal of clinical investigation, 107(8), 985-993 (2001-04-18)
In Chagas' disease caused by Trypanosoma cruzi, a paradigm of autoimmune disease, both autoantibodies and autoreactive T cells have been described. We have identified a novel dominant autoantigen, named Cha, recognized by the majority of sera from T. cruzi-infected humans
L F Weikert et al.
American journal of physiology. Lung cellular and molecular physiology, 279(2), L216-L223 (2000-08-05)
Surfactant-associated protein A (SP-A) is involved in surfactant homeostasis and host defense in the lung. We have previously demonstrated that SP-A specifically binds to and enhances the ingestion of bacillus Calmette-Guerin (BCG) organisms by macrophages. In the current study, we
Pragya Srivastava et al.
Reproductive biology and endocrinology : RB&E, 6, 20-20 (2008-05-21)
The magnitude of reproductive morbidity associated with sexually transmitted Chlamydia trachomatis infection is enormous. Association of antibodies to chlamydial heat shock proteins (cHSP) 60 and 10 with various disease sequelae such as infertility or ectopic pregnancy has been reported. Cell-mediated
Laura Cook et al.
Cellular and molecular gastroenterology and hepatology, 9(3), 485-506 (2019-12-04)
Bacterial flagellin is an important antigen in inflammatory bowel disease, but the role of flagellin-specific CD4+ T cells in disease pathogenesis remains unclear. Also unknown is how changes in intestinal microbiome intersect with those in microbiota-specific CD4+ T cells. We
Chia-Jen Siao et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 22(9), 3352-3358 (2002-04-30)
Microglia are the immunocompetent cells of the CNS, and their activation is thought to play an important neurotoxic role in many diseases modeled by glutamate-induced excitotoxicity. One molecule whose expression is upregulated after excitotoxic injury is tissue plasminogen activator (tPA)
J Li et al.
Infection and immunity, 67(6), 2920-2927 (1999-05-25)
The presence of lipopolysaccharide (LPS) in gram-negative bacterial repeats-in-toxin (RTX) toxin preparations, as well as the harsh conditions required to remove it, suggests that LPS may complex with RTX toxins. Concentrated culture supernatant (CCS) preparations of the RTX toxin Pasteurella
Sung-Hoon Lee et al.
Infection and immunity, 73(1), 268-276 (2004-12-25)
Treponema maltophilum and Treponema lecithinolyticum belong to the group IV oral spirochetes and are associated with endodontic infections, as well as periodontitis. Recently, the genes encoding the major surface proteins (Msps) of these bacteria (MspA and MspTL, respectively) were cloned
C Moreno et al.
Clinical and experimental immunology, 76(2), 240-245 (1989-05-01)
We show here that purified lipoarabinomannan (LAM) from Mycobacterium tuberculosis can cause the release of tumour necrosis factor (TNF) in vitro from human blood monocytes and activated mouse peritoneal macrophages, and the production of TNF in vivo in mice pretreated
Sesselja Omarsdottir et al.
International immunopharmacology, 6(11), 1642-1650 (2006-09-19)
Many naturally occurring polysaccharides from fungi and lichens have been found to have immunomodulating activity. However, the majority of these studies have focused on their effects on the innate arm of the immune system. Although dendritic cells (DCs) belong to
Vongsavanh Phongsisay et al.
Molecular immunology, 62(1), 169-177 (2014-07-09)
LMIR5/CD300b is an activating immunoglobulin-like receptor whose extracellular domain (LMIR5-Fc) is constitutively released from immune cells. The release of LMIR5-Fc is augmented upon stimulation with TLR agonists. LMIR5-Fc is reported to possess inflammatory activity and amplify LPS-induced lethal inflammation; however
Kimberly M Brothers et al.
Scientific reports, 5, 14003-14003 (2015-09-15)
The epithelium provides a crucial barrier to infection, and its integrity requires efficient wound healing. Bacterial cells and secretomes from a subset of tested species of bacteria inhibited human and porcine corneal epithelial cell migration in vitro and ex vivo.
Nirupama Silswal et al.
Biochemical and biophysical research communications, 334(4), 1092-1101 (2005-07-26)
Resistin, a recently discovered 92 amino acid protein involved in the development of insulin resistance, has been associated with obesity and type 2 diabetes. The elevated serum resistin in human diabetes is often associated with a pro-inflammatory milieu. However, the
Satoshi Konno et al.
Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research, 25(5), 277-282 (2005-05-06)
Recently, both native and recombinant preparations of human osteopontin (OPN) have been shown to be able to induce the production of several proinflammatory cytokines in human peripheral blood mononuclear cells (PBMCs) or purified monocytes. In the present study, we found
Mathilda Eriksson et al.
Anticancer research, 29(1), 11-18 (2009-04-01)
The nano-sized right-handed coiled-coil (RHCC) protein, originating from the archaebacterium Staphylothermus marinus, is stable at high salt concentrations, high temperatures, high pressures and extremes of pH. Its crystal structure reveals four hydrophobic cavities which can incorporate heavy metals. Nano-sized compounds
Qiao Zhong et al.
Journal of immunology (Baltimore, Md. : 1950), 200(12), 3913-3925 (2018-05-02)
Prevalence of circulating immunocomplexes (ICs) strongly correlates with rheumatoid arthritis (RA) in humans. Deposits of IgG-ICs are abundant in affected joints of patients, yet molecular mechanisms for the pathogenic roles of such ICs are not fully understood. In this study
J Mølvig et al.
Scandinavian journal of immunology, 26(6), 611-619 (1987-12-01)
The in vitro study of monocytes (Mo) poses several problems. Minor contamination with endotoxin (ET) of media and utensils as well as adherence to glass or plastic surfaces may activate the cells and cause pronounced production of monokines. Many commercially
Jennifer A Fulcher et al.
The Journal of biological chemistry, 284(39), 26860-26870 (2009-07-29)
Galectin-1 is a galactoside-binding lectin expressed in multiple tissues that has pleiotropic immunomodulatory functions. We previously showed that galectin-1 activates human monocyte-derived dendritic cells (MDDCs) and triggers a specific genetic program that up-regulates DC migration through the extracellular matrix, an
J Gil et al.
Cancer research, 50(22), 7301-7306 (1990-11-15)
We have shown previously that IgM from Ehrlich tumor (ET)-immunized mice, recognizing ET cell surface carbohydrates, protects control mice to a subsequent tumor challenge. The factors involved in such IgM-mediated protection were unknown, since it was independent of complement activation.
L K Ryan et al.
The Journal of applied bacteriology, 64(6), 487-495 (1988-06-01)
A method was devised to produce antibodies to lipopolysaccharide (LPS) in guinea-pigs following a single immunization. The antigen was prepared by mixing polymyxin B-agarose with LPS from Escherichia coli O55:B5. Use of the agarose support allowed purification of the complex
A C Issekutz
Journal of immunological methods, 61(3), 275-281 (1983-07-29)
Endotoxins liberated by gram-negative bacteria are frequent contaminants of aqueous and physiological solutions. Because of their potent biological effects in vivo and in vitro, it is often necessary to eliminate even minute quantities of endotoxin from such solutions. A process
Thomas L Leto et al.
Methods in molecular biology (Clifton, N.J.), 412, 365-383 (2008-05-06)
Polymorphonuclear neutrophils (PMN) have a remarkable capacity for generation of large amounts of reactive oxygen species in response to a variety of infectious or inflammatory stimuli, a process known as the respiratory burst that involves activation of a multicomponent NADPH
Martín López et al.
Journal of immunology (Baltimore, Md. : 1950), 170(5), 2409-2416 (2003-02-21)
Macrophages infected with Mycobacterium tuberculosis undergo increased rates of apoptosis. Important objectives are to define the microbial factors that cause apoptosis, the mechanisms involved and the impact on infection. The 19-kDa M. tuberculosis glycolipoprotein (p19) is both cell wall-associated and
Madelyn R Schmidt et al.
PloS one, 3(9), e3192-e3192 (2008-09-12)
The production of fully immunologically competent humanized mice engrafted with peripheral lymphocyte populations provides a model for in vivo testing of new vaccines, the durability of immunological memory and cancer therapies. This approach is limited, however, by the failure to
Contribution of Fucose-Containing Capsules in <I>Klebsiella pneumoniae</I> to Bacterial Virulence in Mice.
Wu, J.H., et al.
Exp. Biol. Med, 233(1), 64-70 (2008)
P J Jagielo et al.
The American journal of physiology, 270(6 Pt 1), L1052-L1059 (1996-06-01)
To investigate the role of endotoxin in grain dust-induced airway inflammation, we reduced the endotoxin activity from extracts of corn dust (CDE), using three distinct methods, and determined the effect of endotoxin activity on the in vitro and in vivo
Dina B AbuSamra et al.
Cells, 10(2) (2021-02-13)
Chemokines are an extended group of chemoattractant cytokines responsible for the recruitment of leukocytes into tissues. Among them, interferon-γ-inducible protein 10 (CXCL10) is abundantly expressed following inflammatory stimuli and participates in the trafficking of monocytes and activated T cells into
J Taverne et al.
Immunology letters, 25(1-3), 207-212 (1990-08-01)
The production of cytokines, including tumour necrosis factor (TNF), may be involved in the pathology of malaria, as well as in protection against the parasite. We have shown that parasite exoantigens induce the secretion of TNF in vitro and in
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